[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.28"]
[Round "8.35"]
[White "Frankental, David"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "1938"]
[BlackElo "1400"]
[PlyCount "97"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Brazil IV"]
[BlackTeam "Sri Lanka V"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "SRI"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Be3 e5 7. d5 a5 8. g4 Na6 9. g5 Ne8 10. h4 f5 11. gxf6 Nxf6 12. Qd2 Qe7 13. 0-0-0 Nc5 14. f3 a4 15. Nh3 a3 16. b3 Nh5 17. Rdg1 Bd7 18. Nf2 Nf4 19. Rg3 Kh8 20. Nd3 Nfxd3+ 21. Bxd3 Rf7 22. Be2 Qf8 23. h5 gxh5 24. Rxh5 b5 25. cxb5 Bf6 26. Rg1 Qe7 27. Kb1 Rg7 28. Bg5 Rag8 29. Bxf6 Qxf6 30. Rxg7 Rxg7 31. Qc1 Qf4 32. Qxa3 Qd2 33. Qc1 Qxc1+ 34. Kxc1 Rg1+ 35. Kd2 Rg2 36. Ke3 Kg7 37. b4 Nb7 38. a4 Kg6 39. Rh1 h5 40. a5 Kg5 41. a6 Nd8 42. a7 Bxb5 43. a8Q h4 44. Qxd8+ Kh5 45. Qh8+ Kg5 46. Qg7+ Kh5 47. Qxg2 Bxe2 48. Qg4+ Kh6 49. Rxh4# 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.28"]
[Round "9.36"]
[White "Kottahachchi, AS."]
[Black "Batyrkhanov, Bexultan"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1400"]
[PlyCount "96"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka V"]
[BlackTeam "Kazakhstan IV"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "KAZ"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 0-0 5. e4 d5 6. cxd5 exd5 7. e5 Ne8 8. Bd3 Nc6 9. Nge2 Be6 10. 0-0 Bxc3 11. bxc3 Qd7 12. Qc2 g6 13. Bh6 Ng7 14. Rab1 Rab8 15. Nf4 Ne7 16. Nxe6 fxe6 17. f4 Nef5 18. Bxg7 Qxg7 19. Rf3 a6 20. Rbf1 Rbc8 21. g4 Ne7 22. Kh1 c5 23. Qb1 cxd4 24. cxd4 b5 25. f5 exf5 26. gxf5 Qh6 27. fxg6 Nxg6 28. Rg3 Rxf1+ 29. Qxf1 Rc1 30. Qxc1 Qxc1+ 31. Rg1 Qh6 32. Bc2 Kf7 33. Bb3 Ke6 34. Kg2 Qd2+ 35. Kf3 Qxd4 36. Re1 Nxe5+ 37. Kg3 Qg4+ 38. Kf2 Qf3+ 39. Kg1 Kd6 40. Rd1 Nc4 41. h4 a5 42. Rf1 Qg3+ 43. Kh1 Ne3 44. Rf6+ Kc5 45. Bxd5 Kxd5 46. Rf5+ Nxf5 47. a4 Ne3 48. h5 Qg2# 0-1

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.28"]
[Round "7.37"]
[White "Kottahachchi, AS."]
[Black "Tapia Alvarez, Alejandro"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1400"]
[BlackElo "1450"]
[PlyCount "39"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka V"]
[BlackTeam "Costa Rica III"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "CRI"]

1. d4 d5 2. c4 Nf6 3. Nc3 e6 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Be7 7. Nf3 b6 8. Bd3 Bb7 9. 0-0 0-0 10. Qc2 Nd7 11. Bf4 h6 12. Rab1 c5 13. Rfd1 Bg5 14. Nxg5 hxg5 15. Be3 Nf6 16. Bxg5 cxd4 17. cxd4 Qxd4 18. e5 Ng4 19. Bh7+ Kh8 20. Rxd4 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.27"]
[Round "6.37"]
[White "Alkhotani, Abdullah Mohammed M"]
[Black "Kottahachchi, AS."]
[Result "0-1"]
[ECO "A48"]
[BlackElo "1400"]
[PlyCount "66"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Saudi Arabia II"]
[BlackTeam "Sri Lanka V"]
[WhiteTeamCountry "SAU"]
[BlackTeamCountry "SRI"]

1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 4. Nf3 d6 5. Be2 0-0 6. c3 Nh5 7. Bg3 Nxg3 8. hxg3 e5 9. d5 Nd7 10. Qc2 f5 11. Nbd2 Nf6 12. c4 c6 13. dxc6 bxc6 14. c5 e4 15. Nd4 dxc5 16. Qxc5 Bd7 17. Rc1 Rb8 18. b3 Qb6 19. 0-0 Rfc8 20. Bc4+ Kh8 21. Qd6 c5 22. Qxb6 axb6 23. Nb5 Rd8 24. Rfd1 Bc6 25. Na7 Be8 26. Nb5 Ng4 27. a4 Ne5 28. Be2 Nd3 29. Bxd3 Rxd3 30. Rb1 Rbd8 31. Nc7 Bf7 32. b4 Rxd2 33. Rdc1 cxb4 0-1

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.27"]
[Round "5.37"]
[White "Alshehri, Tariq Nasser"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "C00"]
[BlackElo "1400"]
[PlyCount "149"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Saudi Arabia"]
[BlackTeam "Sri Lanka V"]
[WhiteTeamCountry "SAU"]
[BlackTeamCountry "SRI"]

1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Qxd5 5. Nf3 Nf6 6. Nc3 Qd8 7. d4 Be7 8. Bd3 0-0 9. 0-0 Bg4 10. h3 Bh5 11. Be3 c6 12. Be2 Nd5 13. Qd2 Bg6 14. Rad1 Na6 15. Nxd5 Qxd5 16. a3 Rad8 17. Ne5 Nc7 18. Bc4 Qd6 19. Bf4 Nd5 20. Nxf7 Qxf4 21. Qxf4 Nxf4 22. Nxd8+ Kh8 23. Nxb7 Rb8 24. Ba6 Bf6 25. b4 Re8 26. Rfe1 Re4 27. Rxe4 Bxe4 28. Nc5 Bd5 29. Nd7 Bxg2 30. Re1 h6 31. Re8+ Kh7 32. Nxf6+ gxf6 33. Re7+ Kg6 34. Bd3+ Kh5 35. Be4 Bxh3 36. Bxc6 Bg4 37. Be8+ Kh4 38. Re4 Ne2+ 39. Kf1 Nc3 40. Re3 Nd5 41. Rg3 Bh3+ 42. Ke2 Bf5 43. Bc6 Nf4+ 44. Kd2 Nh3 45. Rf3 Kg4 46. Rxf5 Kxf5 47. Bd7+ Ke4 48. Bxh3 Kxd4 49. b5 Kc5 50. Bd7 Kd4 51. a4 Kc5 52. Ke3 Kb4 53. Kf4 Kc5 54. Kf5 Kd6 55. Bc6 Ke7 56. a5 h5 57. b6 axb6 58. a6 h4 59. a7 h3 60. a8Q h2 61. Qb7+ Kd6 62. Qd7+ Kc5 63. Qd5+ Kb4 64. Qb5+ Kc3 65. Qxb6 h1Q 66. Bxh1 Kc4 67. Ke4 Kc3 68. Bf3 Kc4 69. Qc6+ Kb3 70. Kd3 Kb4 71. Kd4 Kb3 72. Bd1+ Kb4 73. Qb6+ Ka3 74. Kc3 Ka2 75. Qb2# 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.26"]
[Round "2.31"]
[White "Chavez Pena, Gonzalo Ignacio"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1787"]
[BlackElo "1400"]
[PlyCount "119"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Chile II"]
[BlackTeam "Sri Lanka V"]
[WhiteTeamCountry "CHI"]
[BlackTeamCountry "SRI"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 c6 6. Bg5 Be7 7. Nf3 0-0 8. h3 h6 9. Bf4 Bf5 10. Bd3 Bxd3 11. Qxd3 Re8 12. 0-0 dxc4 13. Qxc4 Nd5 14. Nxd5 Qxd5 15. b3 Nd7 16. Qxd5 cxd5 17. Rac1 Rac8 18. Rfe1 Ba3 19. Rxe8+ Rxe8 20. Rc7 Nf6 21. Ne5 Bd6 22. Rxb7 Ne4 23. Rxa7 Rc8 24. Rd7 Rc2 25. f3 Bxe5 26. dxe5 g5 27. Be3 Ng3 28. Rxd5 Rxa2 29. Rd8+ Kg7 30. Rd2 Ra8 31. Kf2 Nf5 32. b4 Rb8 33. Rb2 Rb5 34. Bc5 Kg6 35. Ra2 Rb7 36. g4 Nh4 37. Ra6+ Kg7 38. Rb6 Rd7 39. Bd6 Ng6 40. b5 Ne7 41. Rc6 Nxc6 42. bxc6 Ra7 43. c7 Ra2+ 44. Ke3 Rc2 45. Kd3 Rc1 46. Kd2 Rc6 47. Ke3 f6 48. Ke4 fxe5 49. Kxe5 Kf7 50. Kd5 Rc1 51. Bc5 Rd1+ 52. Kc6 Rc1 53. c8Q Rxc5+ 54. Kxc5 Ke7 55. Kd5 h5 56. Qe6+ Kf8 57. Qd7 hxg4 58. Ke6 Kg8 59. Kf6 gxh3 60. Qg7# 1-0

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.26"]
[Round "3.36"]
[White "Kottahachchi, AS."]
[Black "Da Silva, Francisco Iran Sant"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1400"]
[BlackElo "1825"]
[PlyCount "82"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka V"]
[BlackTeam "Brazil V"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "BRA"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 c5 4. e3 Nc6 5. d5 exd5 6. cxd5 Nce7 7. a3 Ba5 8. Bc4 d6 9. Bd2 Nf6 10. Nf3 Bg4 11. 0-0 0-0 12. Re1 a6 13. e4 b5 14. Bd3 c4 15. b4 Bb6 16. Bc2 Ng6 17. h3 Bh5 18. Qc1 Bxf3 19. gxf3 Ne5 20. Kg2 Nh5 21. Bg5 f6 22. Be3 g5 23. f4 Bxe3 24. fxe3 gxf4 25. exf4 Ng6 26. f5 Ngf4+ 27. Kh2 Kh8 28. Rg1 Qb6 29. Qd2 Rg8 30. h4 Rae8 31. Raf1 Rxg1 32. Rxg1 Nd3 33. Bxd3 cxd3 34. Qxd3 Qf2+ 35. Kh1 Qxh4+ 36. Kg2 Nf4+ 37. Kf3 Nxd3 38. Ke3 Qxe4+ 39. Nxe4 Nb2 40. Kd4 Nc4 41. Nxf6 Rf8 0-1

[Event "FISU World University"]
[Site "Tornelo INT"]
[Date "2020.10.26"]
[Round "1.29"]
[White "Kottahachchi, AS."]
[Black "Zapata Arbelaes, Estiven"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1400"]
[BlackElo "2203"]
[PlyCount "40"]
[EventDate "2020.10.26"]
[EventType "team-swiss (rapid)"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "CBM 199 Extra"]
[Source "ChessBase"]
[SourceDate "2021.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.01.31"]
[SourceQuality "1"]
[WhiteTeam "Sri Lanka V"]
[BlackTeam "Colombia"]
[WhiteTeamCountry "SRI"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. cxd5 cxd5 6. Bd3 Nc6 7. a3 Bd6 8. Nge2 e5 9. dxe5 Bxe5 10. Nb5 0-0 11. 0-0 Bg4 12. h3 a6 13. hxg4 axb5 14. Bxb5 Nxg4 15. Nd4 Nxd4 16. exd4 Qh4 17. Re1 Qxf2+ 18. Kh1 Qh4+ 19. Kg1 Bh2+ 20. Kh1 Nf2# 0-1

[Event "Asia-ch U14 Girls"]
[Site "Hikkaduwa"]
[Date "2012.06.26"]
[Round "2.11"]
[White "Peng, Xinbei"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "1596"]
[BlackElo "1470"]
[PlyCount "79"]
[EventDate "2012.06.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd4 f6 9. exf6 Nxf6 10. Nf3 Bd6 11. 0-0 0-0 12. Ng3 e5 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Qb3 Kh8 16. Bg5 d4 17. Rae1 Bc7 18. Qc2 Ba5 19. Re5 h6 20. Bxf6 Rxf6 21. Qa4 Bd7 22. Qxa5 Qxa5 23. Rxa5 Be6 24. Nh5 Rff8 25. Re1 b6 26. Rb5 Bg8 27. a3 Bh7 28. Bxh7 Kxh7 29. Rd5 Rad8 30. Rxd8 Rxd8 31. Kf1 Rd7 32. Rd1 Rd5 33. Nf4 Rd6 34. Ne2 d3 35. Nf4 d2 36. Ke2 Rf6 37. Nd3 Rg6 38. g3 a5 39. Kxd2 b5 40. Re1 1-0

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.05.05"]
[Round "8"]
[White "Kottahachchi, AS."]
[Black "Ciobanu, Elena"]
[Result "1-0"]
[ECO "E40"]
[WhiteElo "1495"]
[BlackElo "1678"]
[PlyCount "57"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Nc3 d5 4. e3 Nf6 5. Bd3 g6 6. Nge2 0-0 7. a3 Ba5 8. b4 Bb6 9. c5 Bxc5 10. bxc5 Nc6 11. 0-0 Bd7 12. Rb1 Na5 13. f3 Nh5 14. e4 Bc6 15. Be3 b6 16. cxb6 cxb6 17. Qc2 Rb8 18. Rfc1 Qd6 19. a4 Nf6 20. e5 Qe7 21. exf6 Qxf6 22. Bf4 Rb7 23. Qd2 b5 24. Be5 Qe7 25. axb5 Bd7 26. Qh6 f6 27. Qh4 g5 28. Bd6 Qxd6 29. Qxh7# 1-0

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.05.04"]
[Round "7"]
[White "Chiweshe, Charity"]
[Black "Kottahachchi, AS."]
[Result "1/2-1/2"]
[ECO "C00"]
[BlackElo "1495"]
[PlyCount "110"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. Be2 Nf6 5. 0-0 Bd6 6. d3 c5 7. d4 h6 8. Re1 0-0 9. c3 Qc7 10. g3 Bh3 11. Bf1 Qd7 12. Ne5 Bxe5 13. dxe5 Bxf1 14. exf6 Bh3 15. fxg7 Kxg7 16. Qd2 Qc6 17. Qf4 d4 18. f3 d3 19. Qh4 Bf5 20. Qh5 Qg6 21. Qxg6+ Bxg6 22. Nd2 Nc6 23. b3 Rfe8 24. Rxe8 Rxe8 25. Bb2 Kh7 26. Rd1 Re2 27. Bc1 b5 28. Rf1 b4 29. cxb4 cxb4 30. Rf2 Nd4 31. Kf1 Re6 32. Ne4 Kg8 33. Ke1 Nxf3+ 34. Rxf3 Rxe4+ 35. Re3 f5 36. Rxe4 fxe4 37. Bxh6 Be8 38. Kd2 Kf7 39. h4 Kg6 40. Be3 a6 41. g4 Bd7 42. h5+ Kg7 43. g5 Bg4 44. h6+ Kg6 45. Bc5 Bf5 46. Bxb4 Kxg5 47. Bf8 e3+ 48. Kxe3 Kf6 49. a4 Ke6 50. b4 Kd5 51. a5 Kc4 52. Be7 Bg6 53. Bf8 Kb5 54. Be7 Bf5 55. Bf8 Bg6 1/2-1/2

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.05.03"]
[Round "6"]
[White "Kottahachchi, AS."]
[Black "Neil, Jennifer"]
[Result "0-1"]
[ECO "D34"]
[WhiteElo "1495"]
[PlyCount "68"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. 0-0 0-0 9. Bg5 cxd4 10. Nxd4 h6 11. Bf4 a6 12. Rc1 Re8 13. Re1 Bf8 14. Na4 Bd7 15. Nc5 Bc8 16. Qa4 Qb6 17. Ndb3 Kh8 18. Be3 Qc7 19. Qh4 Qd6 20. Qf4 Qd8 21. Bd4 Nxd4 22. Nxd4 Bd6 23. Qd2 Qe7 24. Ndb3 b6 25. Bxd5 Rb8 26. Na4 Nxd5 27. Qxd5 Bb7 28. Qd4 Qe6 29. f3 Rbd8 30. Qxb6 Qe7 31. Nac5 Bxc5+ 32. Nxc5 Bc8 33. Nxa6 Rd2 34. e4 Qd7 0-1

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.05.02"]
[Round "5"]
[White "Shnayder, Violetta"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "C12"]
[WhiteElo "1895"]
[BlackElo "1495"]
[PlyCount "85"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 Nf6 5. Bg5 h6 6. Bxf6 Qxf6 7. a3 Be7 8. exd5 exd5 9. Nxd5 Qd6 10. Nxe7 Qxe7 11. Qd2 0-0 12. 0-0-0 Bd7 13. Nc3 c6 14. Re1 Be6 15. Bc4 Qh4 16. g3 Qf6 17. Bxe6 fxe6 18. Ne4 Qf7 19. f4 Nd7 20. Qe3 Qe7 21. g4 b5 22. g5 h5 23. g6 b4 24. a4 Nf6 25. Nc5 Nd5 26. Qxe6+ Qxe6 27. Rxe6 Rxf4 28. Rhe1 Nf6 29. Ne4 Rxe4 30. R1xe4 Nxe4 31. Rxe4 Kf8 32. Rf4+ Kg8 33. Rf7 a6 34. Rc7 Kf8 35. Rxc6 Rd8 36. c3 a5 37. Kd2 Rd5 38. Rc5 Rd6 39. Rg5 Ke7 40. h4 Kf6 41. Rxh5 Kxg6 42. Rxa5 bxc3+ 43. bxc3 1-0

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.05.01"]
[Round "4"]
[White "Kottahachchi, AS."]
[Black "Smaraki, Mohanty"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1495"]
[BlackElo "1751"]
[PlyCount "82"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Bd3 0-0 9. Nge2 a6 10. a4 Nbd7 11. Rb1 Ne5 12. Bf4 Nh5 13. Be3 Nxd3+ 14. Qxd3 f5 15. 0-0 a5 16. Nb5 Qe7 17. Nf4 Nxf4 18. Bxf4 Be5 19. Bxe5 Qxe5 20. b3 Bd7 21. Na3 Qe7 22. Rbe1 f4 23. Nc4 b5 24. Nb6 Rab8 25. Nxd7 Qxd7 26. axb5 Qxb5 27. Qc3 Qxb3 28. Qxa5 Qb7 29. Qd2 Qb2 30. Qxb2 Rxb2 31. e5 dxe5 32. Rxe5 Rd2 33. d6 Rc8 34. Rc1 c4 35. Re4 c3 36. Rxf4 c2 37. Re4 Rd1+ 38. Re1 Rxe1+ 39. Rxe1 c1Q 40. Rxc1 Rxc1+ 41. Kf2 Rd1 0-1

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.04.30"]
[Round "3"]
[White "Rotaru, Victoria"]
[Black "Kottahachchi, AS."]
[Result "0-1"]
[ECO "C17"]
[BlackElo "1495"]
[PlyCount "28"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Nge2 Nc6 6. Be3 cxd4 7. Bxd4 Nge7 8. f4 Nf5 9. a3 Ncxd4 10. Nxd4 Bxc3+ 11. bxc3 Qh4+ 12. g3 Nxg3 13. Rg1 Ne4+ 14. Ke2 Nxc3+ 0-1

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.04.29"]
[Round "2"]
[White "Kottahachchi, AS."]
[Black "Assaubayeva, Diana"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1495"]
[BlackElo "1869"]
[PlyCount "56"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. cxd5 exd5 6. Qc2 h6 7. Bh4 Nbd7 8. e3 Bd6 9. Bd3 0-0 10. f3 Re8 11. Bf2 Nf8 12. Nge2 c5 13. Qd2 cxd4 14. exd4 Ne6 15. 0-0-0 Qc7 16. Kb1 Bf4 17. Qc2 Bd7 18. h4 Rac8 19. g4 b5 20. Rde1 b4 21. Nd1 Qxc2+ 22. Bxc2 Bd2 23. Reg1 Bb5 24. Be1 Bxe2 25. Bxd2 Nxd4 26. Bf5 Nxf3 27. Bxc8 Rxc8 28. Bxb4 Bd3+ 0-1

[Event "World School-ch U15 Girls 8th"]
[Site "Iasi"]
[Date "2012.04.28"]
[Round "1"]
[White "Verdes, Adriana"]
[Black "Kottahachchi, AS."]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1495"]
[PlyCount "116"]
[EventDate "2012.04.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ROU"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Nf3 Bd6 6. Bg5 c6 7. Bd3 Bg4 8. h3 Bh5 9. 0-0 0-0 10. Be2 Nbd7 11. Ne5 Bxe2 12. Qxe2 Re8 13. Bxf6 Nxf6 14. Rfe1 Qc7 15. Qe3 Re7 16. Re2 Rae8 17. Rae1 Qb6 18. Na4 Qa5 19. b3 Ne4 20. f4 f6 21. Ng4 b5 22. Nb2 Bb4 23. Rc1 Bd2 24. Rxd2 Qxd2 25. Qxd2 Nxd2 26. Nd3 Ne4 27. Nb4 Nc3 28. Rf1 Ne2+ 29. Kh2 Nxd4 30. c3 Nf5 31. Nxc6 Rc7 32. Nb4 Rxc3 33. Nxd5 Rc2 34. Ndxf6+ gxf6 35. Nxf6+ Kf7 36. Nxe8 Kxe8 37. Re1+ Kf7 38. Kh1 Rxa2 39. g4 Ng3+ 40. Kg1 Ne2+ 41. Kh1 Rc2 42. Rd1 Rc1 43. Rxc1 Nxc1 44. b4 Nd3 45. f5 Nxb4 46. h4 Nd5 47. g5 a5 48. h5 a4 49. g6+ hxg6 50. fxg6+ Kg7 51. Kg2 a3 52. Kg3 a2 53. Kg4 a1Q 54. Kg5 Qf6+ 55. Kg4 Qf4+ 56. Kh3 Qg5 57. Kh2 Nf4 58. Kh1 Qg2# 0-1

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.07"]
[Round "9"]
[White "Kottahachchi, AS."]
[Black "Abeywardana, Naduni"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "70"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 b6 4. e3 Bb7 5. Bd3 d6 6. h3 Nbd7 7. 0-0 Be7 8. Nbd2 0-0 9. c3 Kh8 10. Qc2 h6 11. e4 c5 12. e5 dxe5 13. Bxe5 Nxe5 14. Nxe5 cxd4 15. Bg6 Kg8 16. Nxf7 Rxf7 17. Bxf7+ Kxf7 18. cxd4 Qxd4 19. Nb3 Qd5 20. f3 Rc8 21. Qe2 Bc5+ 22. Nxc5 Qxc5+ 23. Qf2 Nd5 24. Qxc5 Rxc5 25. Rac1 Rxc1 26. Rxc1 Ke7 27. Kf2 Kd6 28. Rc4 b5 29. Rd4 e5 30. Rd2 a6 31. a3 Kc5 32. Re2 Kd6 33. Rd2 Ke6 34. g3 Kf5 35. Rc2 Ke6 1/2-1/2

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.06"]
[Round "8"]
[White "Cooray, Sakuni"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "E65"]
[PlyCount "67"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. 0-0 c5 7. d4 Nc6 8. b3 Qc7 9. Bb2 Bd7 10. Qd2 a6 11. Rad1 Rfd8 12. dxc5 dxc5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. cxd5 Na7 16. Qc3+ Kg8 17. a4 Nc8 18. Rd4 Qd6 19. Rh4 f6 20. e4 Rf8 21. Qd3 Be8 22. Bh3 Bf7 23. Qe3 Kh8 24. Qh6 Bg8 25. Be6 Rf7 26. Bxf7 Qd8 27. Bxg6 e5 28. Bxh7 Qe7 29. Bxg8+ Kxg8 30. Qh8+ Kf7 31. Rh7+ Kg6 32. Nh4+ Kg5 33. Qg8+ Qg7 34. Qxg7# 1-0

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.06"]
[Round "7"]
[White "Kottahachchi, AS."]
[Black "Batawala, Nethmi"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "91"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. Bg5 Be7 6. e3 h6 7. Bh4 0-0 8. Bd3 dxc4 9. Bxc4 Bd7 10. 0-0 a6 11. a3 Re8 12. Qc2 Bd6 13. e4 e5 14. d5 Nd4 15. Qd3 b5 16. Ba2 b4 17. axb4 Bxb4 18. Nxd4 exd4 19. Qxd4 Bxc3 20. bxc3 Rxe4 21. Qxe4 Nxe4 22. Bxd8 Rxd8 23. c4 c5 24. Rfe1 Bf5 25. Bb1 Nd6 26. Bxf5 Nxf5 27. Rxa6 Nd6 28. Rc6 Nxc4 29. Rxc5 Nb6 30. Rec1 Ra8 31. d6 Nd7 32. Rc8+ Rxc8 33. Rxc8+ Nf8 34. d7 h5 35. d8Q Kh7 36. Qxf8 Kg6 37. Rc6+ f6 38. Rc7 Kg5 39. Qxg7+ Kf5 40. Rf7 Ke4 41. Rxf6 h4 42. Qe7+ Kd4 43. Rd6+ Kc4 44. Qc7+ Kb4 45. Rb6+ Ka4 46. Qa7# 1-0

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.05"]
[Round "6"]
[White "Bhakti, Kulkarni"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2203"]
[PlyCount "63"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bf4 0-0 6. e3 Nbd7 7. Be2 c6 8. h3 Qe8 9. 0-0 e5 10. Bh2 Qe7 11. b4 Re8 12. Qb3 Kh8 13. Rad1 Rf8 14. Rfe1 Ne8 15. dxe5 dxe5 16. Rd2 f5 17. b5 c5 18. Nd5 Qf7 19. Ng5 Qg8 20. Ne7 Bf6 21. Nxg8 Bxg5 22. Red1 Rxg8 23. Rxd7 Bxd7 24. Bxe5+ Bf6 25. Qc3 Rf8 26. Rxd7 Kg8 27. Bf3 Bxe5 28. Bd5+ Kh8 29. Qxe5+ Nf6 30. Rxb7 Rae8 31. Qc7 Nh5 32. Qxh7# 1-0

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.04"]
[Round "5"]
[White "Kottahachchi, AS."]
[Black "Abeywickrama, SSP"]
[Result "0-1"]
[ECO "D18"]
[PlyCount "84"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Be7 9. Re1 0-0 10. b3 Ne4 11. Nxe4 Bxe4 12. Qe2 Nf6 13. Bd2 Qc7 14. Rec1 Bd6 15. h3 Qe7 16. Bd3 Rac8 17. Ng5 Bxd3 18. Qxd3 h6 19. Ne4 Nxe4 20. Qxe4 Rfd8 21. Rab1 Bb4 22. Be1 Bxe1 23. Rxe1 Qd6 24. b4 Rc7 25. b5 cxb5 26. Rxb5 b6 27. Ra1 Rdc8 28. Rbb1 Rc4 29. g3 Qd7 30. a5 bxa5 31. Rxa5 Rc1+ 32. Rxc1 Rxc1+ 33. Kg2 Rc8 34. Qb1 Qc6+ 35. Kf1 Qh1+ 36. Ke2 Qxb1 37. Rxa7 Rc2+ 38. Kf3 Qd1+ 39. Kg2 Qe2 40. h4 f5 41. Kh3 Qf1+ 42. Kh2 Rxf2# 0-1

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.04"]
[Round "4"]
[White "Kottahachchi, AS."]
[Black "Premasiri, Vimasha"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "113"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 g6 5. Bg5 Bg7 6. e3 Nc6 7. Be2 0-0 8. 0-0 Qe8 9. Bf4 Qd7 10. Rc1 a6 11. Qc2 Nh5 12. Bg5 e5 13. cxd5 Ne7 14. Bxe7 Qxe7 15. dxe5 Bxe5 16. Nxe5 Qxe5 17. Rfd1 Nf6 18. Bf3 Bf5 19. e4 Bg4 20. Bxg4 Nxg4 21. g3 Rfe8 22. h3 Nf6 23. f4 Qe7 24. e5 Nd7 25. Ne4 Rac8 26. Qc3 c6 27. d6 Qe6 28. Nc5 Nxc5 29. Qxc5 Red8 30. Kh2 Qxa2 31. Qa3 Qe6 32. Qb4 Rd7 33. Qc4 Qxc4 34. Rxc4 Re8 35. Re4 f5 36. Ree1 Kf7 37. g4 fxg4 38. hxg4 h6 39. Kg3 Ke6 40. Kf3 Kf7 41. Ke4 Rdd8 42. f5 a5 43. e6+ Kf6 44. Kf4 gxf5 45. gxf5 h5 46. e7 Rd7 47. Re6+ Kf7 48. Kg5 Rh8 49. Rde1 b5 50. e8Q+ Rxe8 51. Rxe8 a4 52. R8e7+ Rxe7 53. Rxe7+ Kf8 54. Ra7 b4 55. d7 a3 56. bxa3 b3 57. d8Q# 1-0

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.03"]
[Round "3"]
[White "Khamboo, Monalisa"]
[Black "Kottahachchi, AS."]
[Result "0-1"]
[ECO "E90"]
[PlyCount "111"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Bg5 h6 7. Be3 e5 8. d5 a5 9. Qd2 Ng4 10. Be2 Na6 11. h3 Nxe3 12. Qxe3 Nc5 13. g4 f5 14. gxf5 gxf5 15. Nh2 fxe4 16. Ng4 Qg5 17. h4 Qxe3 18. Nxe3 Nd3+ 19. Bxd3 exd3 20. 0-0 Bh3 21. Rfd1 Rf4 22. Rxd3 Raf8 23. Rd2 Rxh4 24. Ne2 Rh5 25. Ng3 Rg5 26. Kh2 Bd7 27. Rh1 Bg4 28. Nxg4 Rxg4 29. b3 Rgf4 30. Kg2 Rg4 31. f3 Rgf4 32. Rf1 Kh7 33. Nh5 R4f5 34. Nxg7 Rg5+ 35. Kh3 Rxg7 36. Rg2 Rxg2 37. Kxg2 Rf4 38. Rd1 Kg6 39. Kf2 h5 40. Rg1+ Kh6 41. Ke3 h4 42. Rg4 Rxg4 43. fxg4 Kg5 44. Kf3 h3 45. Kg3 h2 46. Kxh2 Kxg4 47. Kg2 Kf4 48. Kf2 Ke4 49. Ke2 Kd4 50. Kd2 c6 51. dxc6 bxc6 52. a4 Kc5 53. Kc3 d5 54. cxd5 cxd5 55. b4+ axb4+ 56. Kb3 0-1

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.03"]
[Round "2"]
[White "Kottahachchi, AS."]
[Black "Abeywardana, Navindi"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "140"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nbd7 6. Be2 0-0 7. 0-0 c5 8. d5 Nb6 9. Ne1 Re8 10. f4 e6 11. Qc2 exd5 12. cxd5 Qe7 13. Bf3 Bg4 14. Nd3 Bxf3 15. gxf3 Nh5 16. Bd2 Kh8 17. Rae1 Bd4+ 18. Be3 Bg7 19. Kh1 Nc4 20. Bf2 Rac8 21. Ne2 Nb6 22. Rd1 Red8 23. Ne1 Rd7 24. Ng2 Bf6 25. Ne3 Bd4 26. Ng4 f5 27. Ne3 Rdd8 28. Ng2 fxe4 29. Bh4 Bf6 30. Bxf6+ Nxf6 31. fxe4 Nxe4 32. Rfe1 Nf2+ 33. Kg1 Nxd1 34. Qxd1 Qg7 35. Qb3 Re8 36. Qc2 Re7 37. Rd1 Rce8 38. Nc3 Qf7 39. Nb5 Rd8 40. Qc3+ Kg8 41. Qd2 a6 42. Nc3 Rde8 43. Kh1 Nc4 44. Qf2 Ne3 45. Nxe3 Rxe3 46. Rg1 Kh8 47. Na4 Qxd5+ 48. Qg2 Qxg2+ 49. Rxg2 Re1+ 50. Rg1 b5 51. Nb6 Rxg1+ 52. Kxg1 Re2 53. Nd5 Rxb2 54. Nc3 Kg7 55. Ne4 c4 56. Nc3 Kf6 57. Kf1 Kf5 58. Ke1 Kxf4 59. Ne2+ Rxe2+ 60. Kxe2 Ke4 61. Kd2 d5 62. a3 d4 63. h4 d3 64. h5 c3+ 65. Kxc3 Ke3 66. hxg6 hxg6 67. a4 Ke2 68. axb5 axb5 69. Kd4 d2 70. Kc5 d1Q 0-1

[Event "Asia-ch U20 Girls"]
[Site "Sri Lanka"]
[Date "2009.07.02"]
[Round "1"]
[White "Asgarizadeh, Minoo"]
[Black "Kottahachchi, AS."]
[Result "1-0"]
[ECO "C15"]
[WhiteElo "1947"]
[PlyCount "85"]
[EventDate "2009.07.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "SRI"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 Bd7 5. a3 Bxc3+ 6. Nxc3 Ne7 7. Be2 0-0 8. 0-0 c6 9. Bf4 Bc8 10. b4 b6 11. b5 Bb7 12. Bf3 Ng6 13. Bg3 Re8 14. Re1 f6 15. bxc6 Bxc6 16. exd5 exd5 17. Rxe8+ Qxe8 18. Nxd5 Bxd5 19. Bxd5+ Kh8 20. Bxa8 Nd7 21. Bc6 Qe6 22. Qf3 Ndf8 23. d5 Qc8 24. d6 Nd7 25. Bxd7 Qxd7 26. Re1 Nf8 27. Qe4 g6 28. Qe7 Kg8 29. Qxd7 Nxd7 30. Re8+ Kf7 31. Re7+ Kf8 32. Rxd7 Ke8 33. Rxh7 Kd8 34. Kf1 Ke8 35. Ke2 Kd8 36. Kd3 a5 37. Kd4 b5 38. Kd5 b4 39. axb4 f5 40. Kc6 Ke8 41. d7+ Kd8 42. Kd6 f4 43. Rh8# 1-0

